IMPORTANT VIVA QUESTIONS CONTD.

📌 INSTRUMENTS:

Q1.  What is G.V Black’s Classification?

Ans: This classification is based on the use of the instruments:

1) Cutting instruments                                            

(A) Hand

– Chisel

– Excavator

– Hatchets

– Hoes

(B) Rotary

– Burs

– Stones

– Discs